Perhaps you should try some spelling variations:
thanh trung » thanh tung
chua xang » chua nang, chuc nang, chu bang
trung can » trung cap, trung van, trong can
dong cong » duong cong, dung cong, dang cong
cong manh » cong danh, duong manh, cong thanh
chu manh » ho manh, chu han, chu van
can dong » van dong, dan dong, cao dong
manh van » anh van, menh van, canh van

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu manh) or (chua xang)) - thanh trung can dong cong manh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu manh) OR (chua xang)) - thanh trung can dong cong manh van ban*.